oj.uz

Submission #93832

# Submission time Handle Problem Language Result Execution time Memory
93832 2019-01-12T00:16:10 Z dalgerok Bootfall (IZhO17_bootfall) C++14
44 / 100
 149 ms 2292 KB 
#include<bits/stdc++.h>
#define int long long
using namespace std;



const int N = 505, M = 1e7 + 5, MOD = 1e9 + 9;



int n, a[N], sum, ssum;
bool used[M];
long long dp[M];


inline void Add(int val){
    sum += val;
    for(int i = sum; i >= 0; i--){
        dp[i + val] += dp[i];
        if(dp[i + val] >= MOD){
            dp[i + val] -= MOD;
        }
    }
}
inline void Del(int val){
    for(int i = 0; i <= sum; i++){
        dp[i + val] -= dp[i];
        if(dp[i + val] < 0){
            dp[i + val] += MOD;
        }
    }
    sum -= val;
}

main(){
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    cin >> n;
    dp[0] = 1;
    for(int i = 1; i <= n; i++){
        cin >> a[i];
        ssum += a[i];
        Add(a[i]);
    }
    for(int i = 1; i <= ssum; i++){
        used[i] = true;
    }
    if(ssum % 2 || dp[ssum / 2] == 0){
        return cout << 0, 0;
    }
    for(int i = 1; i <= n; i++){
        Del(a[i]);
        for(int j = 1; j <= ssum; j++){
            if((sum + j) % 2 || dp[(sum + j) / 2] == 0){
                used[j] = false;
            }
        }
        Add(a[i]);
    }
    vector < int > ans;
    for(int i = 1; i <= ssum; i++){
        if(used[i]){
            ans.push_back(i);
        }
    }
    cout << (int)ans.size() << "\n";
    for(auto it : ans){
        cout << it << " ";
    }
}

Compilation message

bootfall.cpp:35:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main(){
      ^

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 380 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 380 KB Output is correct
9 Correct 2 ms 376 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 380 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 380 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 1 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 348 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 380 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 380 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 1 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 348 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 3 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 3 ms 376 KB Output is correct
25 Correct 5 ms 504 KB Output is correct
26 Correct 5 ms 504 KB Output is correct
27 Correct 6 ms 504 KB Output is correct
28 Correct 6 ms 504 KB Output is correct
29 Correct 5 ms 504 KB Output is correct
30 Correct 3 ms 376 KB Output is correct
31 Correct 4 ms 456 KB Output is correct
32 Correct 3 ms 376 KB Output is correct
33 Correct 6 ms 504 KB Output is correct
34 Correct 5 ms 376 KB Output is correct
35 Correct 5 ms 376 KB Output is correct
36 Correct 4 ms 504 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 380 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 380 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 1 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 348 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 3 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 3 ms 376 KB Output is correct
25 Correct 5 ms 504 KB Output is correct
26 Correct 5 ms 504 KB Output is correct
27 Correct 6 ms 504 KB Output is correct
28 Correct 6 ms 504 KB Output is correct
29 Correct 5 ms 504 KB Output is correct
30 Correct 3 ms 376 KB Output is correct
31 Correct 4 ms 456 KB Output is correct
32 Correct 3 ms 376 KB Output is correct
33 Correct 6 ms 504 KB Output is correct
34 Correct 5 ms 376 KB Output is correct
35 Correct 5 ms 376 KB Output is correct
36 Correct 4 ms 504 KB Output is correct
37 Correct 17 ms 760 KB Output is correct
38 Correct 16 ms 760 KB Output is correct
39 Correct 65 ms 892 KB Output is correct
40 Correct 40 ms 1016 KB Output is correct
41 Correct 69 ms 1036 KB Output is correct
42 Correct 32 ms 936 KB Output is correct
43 Correct 51 ms 1308 KB Output is correct
44 Correct 58 ms 1272 KB Output is correct
45 Correct 55 ms 1448 KB Output is correct
46 Correct 37 ms 672 KB Output is correct
47 Correct 36 ms 988 KB Output is correct
48 Correct 56 ms 1272 KB Output is correct
49 Correct 67 ms 1016 KB Output is correct
50 Correct 32 ms 1016 KB Output is correct
51 Correct 6 ms 632 KB Output is correct
52 Correct 72 ms 1500 KB Output is correct

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 380 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 380 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 1 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 348 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 3 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 3 ms 376 KB Output is correct
25 Correct 5 ms 504 KB Output is correct
26 Correct 5 ms 504 KB Output is correct
27 Correct 6 ms 504 KB Output is correct
28 Correct 6 ms 504 KB Output is correct
29 Correct 5 ms 504 KB Output is correct
30 Correct 3 ms 376 KB Output is correct
31 Correct 4 ms 456 KB Output is correct
32 Correct 3 ms 376 KB Output is correct
33 Correct 6 ms 504 KB Output is correct
34 Correct 5 ms 376 KB Output is correct
35 Correct 5 ms 376 KB Output is correct
36 Correct 4 ms 504 KB Output is correct
37 Correct 17 ms 760 KB Output is correct
38 Correct 16 ms 760 KB Output is correct
39 Correct 65 ms 892 KB Output is correct
40 Correct 40 ms 1016 KB Output is correct
41 Correct 69 ms 1036 KB Output is correct
42 Correct 32 ms 936 KB Output is correct
43 Correct 51 ms 1308 KB Output is correct
44 Correct 58 ms 1272 KB Output is correct
45 Correct 55 ms 1448 KB Output is correct
46 Correct 37 ms 672 KB Output is correct
47 Correct 36 ms 988 KB Output is correct
48 Correct 56 ms 1272 KB Output is correct
49 Correct 67 ms 1016 KB Output is correct
50 Correct 32 ms 1016 KB Output is correct
51 Correct 6 ms 632 KB Output is correct
52 Correct 72 ms 1500 KB Output is correct
53 Correct 50 ms 1220 KB Output is correct
54 Correct 79 ms 1308 KB Output is correct
55 Correct 139 ms 2164 KB Output is correct
56 Correct 63 ms 1400 KB Output is correct
57 Correct 149 ms 2292 KB Output is correct
58 Correct 90 ms 1400 KB Output is correct
59 Incorrect 107 ms 1656 KB Output isn't correct
60 Halted 0 ms 0 KB -

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 380 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 380 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 1 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 348 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 3 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 3 ms 376 KB Output is correct
25 Correct 5 ms 504 KB Output is correct
26 Correct 5 ms 504 KB Output is correct
27 Correct 6 ms 504 KB Output is correct
28 Correct 6 ms 504 KB Output is correct
29 Correct 5 ms 504 KB Output is correct
30 Correct 3 ms 376 KB Output is correct
31 Correct 4 ms 456 KB Output is correct
32 Correct 3 ms 376 KB Output is correct
33 Correct 6 ms 504 KB Output is correct
34 Correct 5 ms 376 KB Output is correct
35 Correct 5 ms 376 KB Output is correct
36 Correct 4 ms 504 KB Output is correct
37 Correct 17 ms 760 KB Output is correct
38 Correct 16 ms 760 KB Output is correct
39 Correct 65 ms 892 KB Output is correct
40 Correct 40 ms 1016 KB Output is correct
41 Correct 69 ms 1036 KB Output is correct
42 Correct 32 ms 936 KB Output is correct
43 Correct 51 ms 1308 KB Output is correct
44 Correct 58 ms 1272 KB Output is correct
45 Correct 55 ms 1448 KB Output is correct
46 Correct 37 ms 672 KB Output is correct
47 Correct 36 ms 988 KB Output is correct
48 Correct 56 ms 1272 KB Output is correct
49 Correct 67 ms 1016 KB Output is correct
50 Correct 32 ms 1016 KB Output is correct
51 Correct 6 ms 632 KB Output is correct
52 Correct 72 ms 1500 KB Output is correct
53 Correct 50 ms 1220 KB Output is correct
54 Correct 79 ms 1308 KB Output is correct
55 Correct 139 ms 2164 KB Output is correct
56 Correct 63 ms 1400 KB Output is correct
57 Correct 149 ms 2292 KB Output is correct
58 Correct 90 ms 1400 KB Output is correct
59 Incorrect 107 ms 1656 KB Output isn't correct
60 Halted 0 ms 0 KB -